Distance from ZIP 57650 to 58639
Ralph, SD → Hettinger, ND
Straight Line Distance
18 miles
30 km
Great circle distance between ZIP code centers
Driving (est.)
≈ 20min
At 90 km/h average. Actual road distance is typically 15-30% longer.
Flying (est.)
≈ 47min
At 850 km/h cruise plus takeoff and landing.
Route Map
Frequently Asked Questions
The straight-line distance between ZIP code 57650 (Ralph, SD) and 58639 (Hettinger, ND) is 18 miles (30 km).
Driving takes approximately 20min at an average speed of 90 km/h. Actual road distance is typically 15-30% longer than the straight line.